If we choose to live near convergent plate boundaries, we can build buildings that can resist earthquakes, and we can evacuate areas around volcanoes when they threaten to erupt. Yes, convergent boundaries are dangerous places to live, but with preparation and watchfulness, the danger can be lessened somewhat.
Nitrification, as stated above, is formally a two-step process; in the first step ammonia is oxidized to nitrite, and in the second step nitrite is oxidized to nitrate. Different microbes are responsible for each step in the marine environment.
cauliflower, collard greens and root vegetables. The human body can convert nitrate into nitrite. How can people be exposed to nitrate and nitrite? You could be exposed to nitrate and/or nitrite through: Drinking water containing nitrates. Wells with high levels of nitrates can contribute to significant exposure. This is of particular concern for households with infants consuming formula prepared with this water. Eating